Squashed 'packages/mr/' changes from dd39a7e..79b4ffc

347edb4 0.12.13
d75d172 Add changes for 0.12.13
c5caa7a Merge pull request #25 from Stuk/ispending
a3464f6 Add spec for non-preloaded script injection package
844996d Rename script-injection spec to script-injection-dep
400a4de isResolved was replaced with isPending in Q 0.9
9c9c54a Longer timeout to wait for ghostdriver to start running

git-subtree-dir: packages/mr
git-subtree-split: 79b4ffc6190df7ea1433cdccbc1b4addaa601241
Update Mr to v0.12.13
0.12.6